| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not [verb] | 10321 |
|
| 2 | [is] not [vb pp] | 6213 |
|
| 3 | [is] [adv] found | 337 |
|
| 4 | [be] not found | 157 |
|
| 5 | [is] not find | 67 |
|
| 6 | [is] [not/n't] found | 61 |
|
| 7 | [is] not found | 61 |
|
